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Displaying AFOS PIL: FWSDMX Received: 2018-04-25 13:39 UTC
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764
FNUS73 KDMX 251339
FWSDMX
Spot Forecast for Willows (Black Hawk Pit)...Iowa DNR
National Weather Service Des Moines IA
839 AM CDT Wed Apr 25 2018
Forecast is based on ignition time of 1200 CDT on April 25.
If conditions become unrepresentative...contact the National Weather
Service.
An initial observation at ignition and a mid burn observation are required.
Please relay them to the National Weather Service for each prescribed burn.
.DISCUSSION...
A few light showers will linger over far southwest Iowa this
morning before ending. Skies will become mostly sunny by this
afternoon as high pressure arrives. The area of high pressure will
keep the wind light from the north today before becoming more
southwesterly by this evening. A few light showers are possible on
Thursday. A boundary will move through the state on Thursday and
will lead to the wind becoming breezy and from the northwest
during the day.
.REST OF TODAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 64.
Min humidity........29 percent.
Wind (20 ft)........North winds 7 to 10 mph.
Mixing height.......4700-6100 ft AGL.
Transport winds.....North 3 to 9 mph.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........16 11 7 4 2 1
Weather cov.....
Weather type....
Tstm cov........
Temp............55 57 59 61 62 64
RH..............45 40 36 33 31 29
20 FT wind dir..N N N N N N
20 FT wind spd..10 9 9 9 8 7
20 FT wind gust.13 10 10 10
Mix hgt (kft)...4.7 5.2 5.5 5.8 6.1 5.9
Transp wind dir.NE NE NE N N N
Transp wind spd.9 8 6 5 3 3
Haines index....5 5 5 5 5 5
.TONIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....Around 40.
Max humidity........79 percent.
Wind (20 ft)........North winds 5 to 6 mph early in the evening
becoming light, then becoming southwest 5 to 7
mph after midnight.
Mixing height.......5300-5600 ft AGL decreasing to 300 ft AGL.
Transport winds.....Southwest 2 to 6 mph.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
Sky (%).........1 0 0 11 20 23
Weather cov.....
Weather type....NONE NONE NONE NONE NONE NONE
Tstm cov........
Temp............64 59 52 47 45 43
RH..............29 36 48 56 60 67
20 ft wind......N 6 N 5 W 3 SW 5 SW 6 SW 6
20 ft wind gust.
Mix hgt (ft)....5600 3600 300 300 300 300
Transport wind..NW 5 NW 3 W 2 SW 3 SW 5 SW 6
Haines index....5 5 5 5 5 5
.THURSDAY...
Sky/weather.........Mostly sunny (40-50 percent).
Max temperature.....Around 62.
Min humidity........36 percent.
Wind (20 ft)........Northwest winds 7 to 16 mph shifting to the
north 17 to 20 mph early in the afternoon.
Mixing height.......300-1900 ft AGL increasing to 5200-6400 ft AGL.
Transport winds.....Southwest 6 to 12 mph increasing to west 17 to
23 mph late in the morning, then shifting to
the north 21 to 26 mph in the afternoon.
Haines Index........3 to 5 or very low potential for large plume
dominated fire growth or moderate potential for
large plume dominated fire growth.
TIME (CDT) 6 AM 9 AM NOON 3 PM
Sky (%).........26 38 59 65
Weather cov.....
Weather type....NONE NONE NONE NONE
Tstm cov........
Temp............40 52 62 61
RH..............79 54 41 41
20 FT wind......SW 7 W 12G16 NW 15G22 N 18G26
Mix hgt (ft)....300 1900 4400 5800
Transport wind..SW 6 SW 17 NW 22 N 24
Haines index....5 4 3 4
$$
Forecaster...Beerends
Requested by...Jeff Feisel
Type of request...PRESCRIBED
.TAG 1807615.1/DMX
.EMAIL jeffrey.feisel@dnr.iowa.gov